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Southern California Earthquake Data Center

Recent Earthquakes

Recent Earthquakes in California and Nevada

== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version #0: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.


A micro earthquake occurred at 5:36:31 PM (PDT) on Monday, September 30, 2013.
The magnitude 1.4 event occurred 2 km (1 miles) NE (51 degrees) of Pacifica, CA.
The hypocentral depth is 12 km ( 8 miles).




Magnitude 1.4 - duration magnitude (Md)
Time Monday, September 30, 2013 at 5:36:31 PM (PDT)
Tuesday, October 1, 2013 at 0:36:31 (UTC)
Distance from Pacifica, CA - 2 km (1 miles) NE (51 degrees)
South San Francisco, CA - 7 km (4 miles) WSW (237 degrees)
Millbrae, CA - 8 km (5 miles) WNW (290 degrees)
San Francisco City Hall, CA - 18 km (11 miles) SSW (195 degrees)
Coordinates 37 deg. 37.4 min. N (37.623N), 122 deg. 28.2 min. W (122.471W)
Depth 12 km (7.5 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=5 km, Rmss=0.03 sec, Erho=0.6 km, Erzz=1.1 km, Gp=144 degrees
Event ID nc72079236
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